Beispiel #1
0
void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
{
    int64_t now = qemu_get_clock_ns(vm_clock);

    uint64_t real_limit = limit & ~timer->disabled_mask;
    timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;

    int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) +
                    timer->clock_offset;

    if (expires < now) {
        expires = now + 1;
    }

    TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
                  "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
                  timer->name, real_limit,
                  timer->disabled?"disabled":"enabled",
                  timer, limit,
                  timer_to_cpu_ticks(now - timer->clock_offset,
                                     timer->frequency),
                  timer_to_cpu_ticks(expires - now, timer->frequency));

    if (!real_limit) {
        TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
                timer->name);
        qemu_del_timer(timer->qtimer);
    } else if (timer->disabled) {
        qemu_del_timer(timer->qtimer);
    } else {
        qemu_mod_timer(timer->qtimer, expires);
    }
}
Beispiel #2
0
uint64_t cpu_tick_get_count(CPUTimer *timer)
{
    uint64_t real_count = timer_to_cpu_ticks(
                    qemu_get_clock_ns(vm_clock) - timer->clock_offset,
                    timer->frequency);

    TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
           timer->name, real_count,
           timer->disabled?"disabled":"enabled", timer);

    if (timer->disabled)
        real_count |= timer->disabled_mask;

    return real_count;
}
Beispiel #3
0
void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
{
    uint64_t real_count = count & ~timer->disabled_mask;
    uint64_t disabled_bit = count & timer->disabled_mask;

    int64_t vm_clock_offset = qemu_get_clock_ns(vm_clock) -
                    cpu_to_timer_ticks(real_count, timer->frequency);

    TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
                  timer->name, real_count,
                  timer->disabled?"disabled":"enabled", timer);

    timer->disabled = disabled_bit ? 1 : 0;
    timer->clock_offset = vm_clock_offset;
}
Beispiel #4
0
void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
{
    uint64_t real_count = count & ~timer->npt_mask;
    uint64_t npt_bit = count & timer->npt_mask;

    int64_t vm_clock_offset = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) -
                    cpu_to_timer_ticks(real_count, timer->frequency);

    TIMER_DPRINTF("%s set_count count=0x%016lx (npt %s) p=%p\n",
                  timer->name, real_count,
                  timer->npt ? "disabled" : "enabled", timer);

    timer->npt = npt_bit ? 1 : 0;
    timer->clock_offset = vm_clock_offset;
}
Beispiel #5
0
uint64_t cpu_tick_get_count(CPUTimer *timer)
{
    uint64_t real_count = timer_to_cpu_ticks(
                    qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - timer->clock_offset,
                    timer->frequency);

    TIMER_DPRINTF("%s get_count count=0x%016lx (npt %s) p=%p\n",
           timer->name, real_count,
           timer->npt ? "disabled" : "enabled", timer);

    if (timer->npt) {
        real_count |= timer->npt_mask;
    }

    return real_count;
}